semiochemical

sem i o chem i cal |ˌsemē -ōˈkemikəl, ˌsēmē -ˌsɛmioʊˈkɛmɪkəl | ▶noun Biochemistry a pheromone or other chemical that conveys a signal from one organism to another so as to modify the behavior of the recipient organism.

semiochemical

semiochemical |ˌsiːmɪə (ʊ )ˈkɛmɪk (ə )l | ▶noun Biochemistry a pheromone or other chemical that conveys a signal from one organism to another so as to modify the behaviour of the recipient organism. ORIGIN 1970s: from Greek ēmeion ‘sign ’ + chemical .